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string concatenation as aggregate operator in group by
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--http://stackoverflow.com/questions/273238/how-to-use-group-by-to-concatenate-strings-in-sql-server CREATE TABLE #YourTable ([ID] INT, [Name] CHAR(1), [Value] INT) INSERT INTO #YourTable ([ID],[Name],[Value]) VALUES (1,'A',4) INSERT INTO #YourTable ([ID],[Name],[Value]) VALUES (1,'B',8) INSERT INTO #YourTable ([ID],[Name],[Value]) VALUES (2,'C',9) SELECT [ID], STUFF(( SELECT ', ' + [Name] + ':' + CAST([Value] AS VARCHAR(MAX)) FROM #YourTable WHERE (ID = Results.ID) FOR XML PATH(''),TYPE).value('(./text())[1]','VARCHAR(MAX)') ,1,2,'') AS NameValues FROM #YourTable Results GROUP BY ID DROP TABLE #YourTable
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Execution time: 0.05 sec, rows selected: 2, rows affected: 3, absolute service time: 0.2 sec
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ID
NameValues
1
1
A:4, B:8
2
2
C:9